Thames Television (Continuity Bumpers)
From the Audiovisual Identity Database, the motion graphics museum
Bumper (1989-December 31, 1992)
Visuals: On a black background, a light blue triangle can be seen without text at all, which fades via a mixed-line effect.
Variant: Starting on September 3, 1990, the triangle was coloured in dark blue to match the new logo.
Technique: Computer animation.
Audio: None.
Availability: Seen on Thames Television advertisements.